Most Improved Massachusetts Girls 400m Marks Compared to 2025

May 29, 2026

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Improvement Rankings: Top Massachusetts Girls 400m marks compared to their season’s best performances from 2025.

Most Improved - 400 Meter Dash

Comparing 2026 season to 2025 season

Rank	Improved	Athlete/Team	Class	2025 PR	2026 PR
1	-45.12	Emma Johnson St. Paul Diocesan Junior/Senior High School	2027	1:58.03	1:12.91
2	-17.76	Rachel Hyotte Framingham High School	2028	1:30.65	1:12.89
3	-15.94	Ahnye Williams Marlborough High School	2026	1:25.24	1:09.30
4	-14.83	Grace Moriarty Arlington Catholic High School	2030	1:27.97	1:13.14
5	-11.17	Jessica Pina Southeastern Regional Vocational Technical High School	20...